This chart shows just how massive America's drone fleet is

As the varieties and utilities of drones quickly multiply, the
use of unmanned aerial vehicles (UAVs) has quickly mounted
throughout the US Armed Forces.

From reconnaissance roles within the US Army to
attack roles within the US Air Force, and with
squadrons within both the Navy and the Marines, the proliferation
of drones has touched every element of the US Armed Forces.

The following graphic, from
CI Geography, shows just how widespread the use of drones is
within the US. You can see a larger version of the poster
here: